用调制CW激光器研究固体的三维光热偏转：理论发展
Three Dimensional Photothermal Deflection of Solids Using Modulated CW Lasers : Theoretical Development
摘要：
本文对调制连续波激励下的三层系统（背衬-固体样品-流体）的三维光热偏转进行了详细的理论处理，采用基于格林函数和积分变换的方法，得到了激光诱导温度分布函数和探测光束光热偏转的显式表达式。对某些固体样品的这些表达式的数值分析导致了一些有趣的结果。
英文摘要：
In this paper, a detailed theoretical treatment of the three dimensional photothermal deflection, under modulated cw excitation, is presented for a three layer system (backing-solid sample- fluid).By using a technique based on Green's function and integral transformations we find the explicit expressions for laser induced temperature distribution function and the photothermal deflection of the probe beam. Numerical analysis of those expressions for certain solid samples leads to some interesting results.
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